Original scientific paper

Improving structure dynamic behaviour using a reanalysis procedures technique

Ezedine Allaboudi ; University of Belgrade, Faculty of Mechanical Engineering, Kraljice Marije 16, 11120 Belgrade 35, Serbia
Tasko Maneski ; University of Belgrade, Faculty of Mechanical Engineering, Kraljice Marije 16, 11120 Belgrade 35, Serbia
Natasa Trisovic orcid.org/0000-0003-1043-5780 ; University of Belgrade, Faculty of Mechanical Engineering, Kraljice Marije 16, 11120 Belgrade 35, Serbia
Todor Ergić ; J. J. Strossmayer University of Osijek, Mechanical Engineering Faculty in Slavonski Brod, Department of Production Technologies, Trg I. B. Mažuranić 2, HR-35000 Slavonski Brod, Croatia

Abstract

The present paper deals with the problem of improving dynamic characteristics for a sub-structure of bucket wheel excavator. The procedure is concerned with the analysis of the distribution of potential and kinetic energy in elements of the structure, which gives prediction for which elements reanalysis is needed. Reanalysis technique can be done for the structure using finite element methods. Information like material, geometry and boundary conditions should be prepared before making FE model. The main aim of dynamic modification is to increase natural frequencies and to increase the difference between them.

Keywords

dynamics behaviour; FEM; kinetic energy; potential energy; reanalysis

Hrčak ID:

100250

URI

https://hrcak.srce.hr/100250

Publication date:

15.4.2013.

Article data in other languages: croatian

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